Middle breaker



(No Model.)

A. SOHOENFELDER.

' MIDDLE BREAKER.

No. 455,413. I Patented July 7; 1891.

Wil zesses.

UNITED STATES PATENT OFFICE.

AUGUST SCHOENFELDER, OF BURTON, TEXAS.

MIDDLE BREAKER.

SPECIFICATION forming part of Letters Patent No. 455,413, dated July 7,1891. Application filed April 29, 1890. Renewed June 10, 1891. SerialNo. 394,643. (No model.)

' enable others skilled in the art to which it appertains to make anduse the same, reference being had to the accompanying drawings, and

to the letters of reference marked thereon, which form a part of thisspecification.

The special object of the invention is to combine a middle-breaker plowwith a sweep-' stock sothat it may be made to run at different depthswithout adjusting the beamclevis, as hereinafter described.

Figure 1 of the drawings is a plan view; Fig. 2, alongitudinal verticalsection; Fig. '3, a detail rear view of the mold-board, and Fig. 4 adetail rear View in elevation of the joint between the bolt and shoe.

In the drawings, A represents the sole or shoe, provided atits front endwith the middle breaker B, which is a flat share with a broad sharp edgeat right angles to the longitudinal plane of the plow and sloping upwardon top, thus forming a half-wedge, resting on its straight edge. Therear end of its top projects over the top of shoe, so as to form thebroad lip 11, under which fits the medium front of the double mold-boardO, which has a front notch c to straddle the top edge of shoe A. On theconvexity or dividing line of the moldboard is also made the upper notch0', across which fits the head d of a bolt D, whose shank passes betweenthe parallel plates e e of the standard E and is held by an end nut F,which bears upon a plate G, whose edges'gg embrace the plates e e, beingturned I over their outsides.

H is-a brace, which, together with the stand J. By adjusting this boltmore orless through the beam the middle breaker B may be made to runmore or less deep.

A sweep may be used by being fastened to the foot of the middle breaker.

Having thus described all that is necessary to a full understanding ofmy invention,what I claim as new, and desire to protect by LettersPatent, is-

1. The shoe A, having the share B with a broad front at right angles tosaid shoe and extending outbeyond it on both sides to out the bottom ofthe furrow-slice before it is turned over and to enable it to be morecompletely turned by the mold-board.

2. The combination of the shoe and share A B with the double mold-boardfitting in front under the shoe-lip b and with the notch c, fitted onthe bolt D, and the angle-piece L, having the front semi-tube,Z,substantially as shown and described.

In testimony whereof I affix my signature ,in presence of two witnesses.

AUGUST SCHOENFELDER. \Vitnesses:

S. SEELIG, THos. W ATSON.-

